3. What is an operational amplifier?, explain in your own words

Q: An amplifier has a gain of 45,000, which is too much for the application. With an input voltage of…

A: It is given that: AT=45000Vin=20μVVout=100mVA1=45000

Q: Noise Figure of an amplifier is given as 10 dB. If the ambient temperature is 290 K, then what will…

A: The noise figure (NF) and noise factor (F) of an amplifier are related by the following equation:…

Q: Consider the circuit shown in FigureP13.24 . a. Find an expression for the output voltage in terms…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Consider the circuit shown in FigureP13.24 . a. Find an expression for the output voltage in terms…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Define the summing amplifier using the diagram.

A: The summing amplifiers are the type of the op-amp whose output depends upon the sum of the input…

Q: 4(B) The lower cutoff frequency of first stage of the amplifier is 100 Hz and that of second stage…

A: Given data: The lower cut-off frequency of stage 1: 100 Hz The lower cut-off frequency of stage 2:…

Q: Which method below is for anti-interference in biopoential amplifiers? All of them are methods for…

A: Option-(a) Instrumentation amplifier The solution to the given ques is shown in next step

Q: what is dual amplifier?

A: we need to answer what is dual amplifier.

Q: 1. Design an inverting Amplifier by finding the Resistor's value R2 if R1= 5KO and the amplifier…

A: An OPAMP(operational amplifier) is an integrated electronic circuit that is used to amplify weak…

Q: Syeda and Urmi are two friends who are doing a class in the course of Electrical Drives and…

A: The full form of CMRR is Common Mode Rejection Ratio. CMRR is defined as the ratio of differential…

Q: The output model of an operational amplifier is modeled as?

A: Given data; Operational amplifier

Q: What is the differential gain of the non-inverting stage of the instrumentation amplifier in Fig. 3?

A:

Q: 1. What is the importance of knowing the critical frequencies of an amplifier? 2. What is the…

A:

Q: and Vo(max) of the instrumentation amplifier shown below when the (75 k2) potentiometer Rp is…

A:

Q: Which of the following is true for an ideal difference amplifier

A:

Q: BJT as a Transistor Write down important notes on the basic concept and application of a transistor…

A: BJT: Bipolar junction transistors (BJTs) are charge carriers that utilize both electrons and…

Q: Draw the block diagram of an operational amplifier and explain it function of each block

A: Block diagram of the Operational amplifier is shown below

Q: 1. For the summing amplifier shown below, solve the voltage gain Av and output voltage Vout

A:

Q: Which amplifier model contains a) a current-controlled voltage source? b) a current-controlled…

A: Given & to find: Which amplifier model contains a) a current-controlled voltage source? b) a…

Q: |Operational Amplifier Specifications and Circuits Should be no surprise here. Provide numerical…

A: According to the question

Q: Determine what is asked, minimum of 5 sentences. a. What are the functions of coupling capacitors…

A: Cascading- It is a method in which two components are joined in such a way that output of first…

Q: Write the three ideal characteristics of an operational amplifier.

A:

Q: 1) What is selectivity? Explain how you can increase selectivity of a receiver.

A: As per our policy we can provide solution to first question only. Selectivity : Its is the ability…

Q: For the cascaded amplifier of the figure below, calculate the input impedance of the first stage,…

A:

Q: Define class A power amplifier? 2. Give the reason why class A power amplifier is called as directly…

A: 1. It is the simplest power amplifier in all the classes. In this power amplifier,  the collector…

Q: What are the voltage gain, input resistance, andoutput resistance of the amplifier as shownif R1 =…

A: Given data, The value of resistance is R1 = 8.2 kΩ. The value of resistance is R2 = 750 kΩ By…

Q: Describe an application in which an amplifier with very high input impedance is needed.

A: A ECG amplifier should be high input impedance. It is a amplifier that amplifies and record the…

Q: Answer the questions about the Binary Weighted DAC: i. Design a 6-bit Binary Weighted Resistor DAC…

A:

Q: How can you change the gain of a non-inverting amplifier

A:

Q: The equivalent noise temperature and the ambient noise temperature for an amplifier are given as…

A: The equivalent noise temperature Te for an amplifier system depends on the ambient temperature T0…

Q: What advantages and disadvantages does the balanced amplifier have over the single amplifier ?

A: Amplifier:It amplify the voltage Or current of input signal.  It has a power gain greater than one

Q: Explain how an inverting amplifier differs from a noninverting amplifier.

A: The circuit diagram of the inverting OPAMP is given as                     The voltage at…

Q: What are the applications of power amplifiers?

A: The power amplifiers are the devices used to amplify the strength (power) of the signal. It is used…

Q: d. Given the packaged amplifier below, determine the gain AvL and Avs with RL = 1.2 k2.

A:

Q: Compare inverting and non-inverting amplifier? in a table

A: An Amplifier is one that shows increased magnitude in output compared to its input.

Q: Will the difference Amplifier work if both inputs have different frequencies? Why?

A: Differential Amplifier only gives the difference between two input signals irrespective of the…

Q: (i) Explain the characteristics of an ideal operational amplifier.

A: The operational amplifier is an important voltage amplification electronic circuit with very high…

Q: Determine the voltage gain of the amplifier

A:

Q: The gain of operational amplifier is defines as the ratio of _________________

A: The ratio of output voltage to input voltage is defined as the voltage gain. Voltage gain = output…

Q: What is the voltage at the input terminals of the amplifier?

A: Consider the given circuit diagram,

Q: (a) What is the voltage gain, Ay of the amplifier?

A:

Q: Given the four statements below, which of the following statements are true about power amplifiers?…

A: Statement 1,2 and 3 are correcct. And Statement 4 is false,the q point of Class A amplifier is above…

Q: What is the gain of the amplifier?

A: Gain of the amplifier is one of the important parameter which is used for the analysis of the…

Q: What measure should be taken to prevent excessive heat dissipation in electrical component in the…

A: Solution :- If temperature of collector bias junction of a transistor increase then it increase the…

Q: Explain in your own words, how operational, differential and instrumentation amplifiers do the same…

A:

Q: Draw a diagram of a class AB amplifier

A: Diagram of class AB amplifier:

Power Amplifier

The power amplifier is an electronic amplifier designed to maximize the signal strength of a given input. The input signal strength is enhanced to a high enough level to drive output devices such as speakers, headphones, RF (Radio frequency) transmitters, etc. Unlike voltage / current amplifiers, the power amplifier is designed to drive core loads directly and is used as a storage block in the amplifier series.

Maximum Efficiency Criterion

In every field of engineering, there is a tremendous use of the machine and all those machines are equipped for their popular work efficiency so it very much important for operation engineers to monitor the efficiency of the machine, planning engineers to check out the efficiency of the machine before installing the machine and design engineers to design machine for higher efficiency than and then the utility will procure their products that will ultimately lead to profit and loss of the company. It indicates the importance of efficiency right from the initial stage as manufacturing units, intermediate stage as planning coordinators, and end-users stage as a utility.